APA (7th ed.) Citation

Hagan, W. T. (1997). Theodore Roosevelt and six friends of the Indian. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Hagan, William T. Theodore Roosevelt and Six Friends of the Indian. Norman: University of Oklahoma Press, 1997.

MLA (8th ed.) Citation

Hagan, William T. Theodore Roosevelt and Six Friends of the Indian. University of Oklahoma Press, 1997.